Cole Ewing

The Lab Rats must set aside their differences and reunite to stop Krane and his bionic army from taking control of the entire planet. Leo goes on his first official mission.

Davenport lays in critical condition after a battle. To save him, Leo must risk his life to perform a dangerous process. Meanwhile, Krane's former bionic soldiers follow Adam home.

Leo finds out that he will be a student at the Bionic Academy, not a mentor like Adam, Bree and Chase. Chase engages in a battle of wills and Adam mentors a younger student.

Davenport leaves Adam, Bree, and Chase in charge of the Bionic Academy while he celebrates his anniversary. Leo invites Janelle to the island, but gets distracted by his nemesis.

Spin recruits Bob to join him on an unauthorized mission to prove themselves. Sebastian tries to help Chase get revenge on Adam, though Sebastian may have a hidden agenda.